My minecraft launchs, I enter in a server, then he automatically craches.

I entered into minecraft, my pc isn't soo good so I have Optifine installed, I entered to a server, then poof... minecraft craches every time I try to enter, the game opens, but when I enter in a world, singleplayer or multiplayer, the game craches with this report:
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1. A fatal error has been detected by the Java Runtime Environment:
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2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x27114960, pid=2964, tid=3988
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3. JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
4. Java VM: Java HotSpot(TM) Client VM (25.25-b02 mixed mode windows-x86 )
5. Problematic frame:
6. C [ig4icd32.dll+0x44960]
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7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
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8. An error report file with more information is saved as:
9. C:\Users\Lucas\AppData\Roaming\.minecraft\hs_err_pid2964.log
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10. If you would like to submit a bug report, please visit:
11. http://bugreport.sun.com/bugreport/crash.jsp
12. The crash happened outside the Java Virtual Machine in native code.
13. See problematic frame for where to report the bug.
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    AL lib: (EE) alc_cleanup: 1 device not closed
    Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release